user-submitted-posts / recaptcha / connect.php

connect.php in User Submitted Posts – Enable Users to Submit Posts from the Front End 20251121, at recaptcha/connect.php

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1	<?php // Google reCAPTCHA for PHP >= 5.3.0
2
3	// PHP Global space backslash class requires >= 5.3.0
4
5	// Google reCAPTCHA 1.1.3 @ https://github.com/google/recaptcha
6
7	// Supports allow_url_fopen/file_get_contents and cURL
8
9	if (!defined('ABSPATH')) die();
10
11	require_once('autoload.php');
12
13	if (ini_get('allow_url_fopen')) {
14
15	// file_get_contents: allow_url_fopen = on
16	$recaptcha = new \ReCaptcha\ReCaptcha($private);
17
18	} elseif (extension_loaded('curl')) {
19
20	// cURL: allow_url_fopen = off
21	$recaptcha = new \ReCaptcha\ReCaptcha($private, new \ReCaptcha\RequestMethod\CurlPost());
22
23	} else {
24
25	$recaptcha = null;
26
27	error_log('WP Plugin USP: Google reCAPTCHA: allow_url_fopen and curl both disabled!', 0);
28
29	}
30
31	if (isset($recaptcha)) {
32
33	$response = $recaptcha->verify($_POST['g-recaptcha-response'], usp_get_ip_address());
34
35	} else {
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37	$response = null;
38
39	error_log('WP Plugin USP: Google reCAPTCHA: $recaptcha variable not set!', 0);
40
41	}
42
43	if ($response->isSuccess()) {
44
45	return true;
46
47	} else {
48
49	$errors = $response->getErrorCodes();
50
51	if (!empty($errors) && is_array($errors)) {
52
53	foreach ($errors as $error) {
54
55	// error_log('WP Plugin USP: Google reCAPTCHA: '. $error, 0);
56
57	}
58
59	} else {
60
61	// error_log('WP Plugin USP: Google reCAPTCHA: '. $errors, 0);
62
63	}
64
65	}
66
67	return false;